Thank you for selecting Aerospace Aviation360 as your go-to distributor of part number WO-2.5BVWAB EIM-ASSY found under Valve Butterfly by W And O Supply Inc. The National Stock Number assigned to this part is 4810015852800, and the Federal Supply Class is 4810 Valves Powered. Our website is owned and operated by ASAP Semiconductor, a leading distributor of aviation and aerospace part numbers like WO-2.5BVWAB EIM-ASSY.